Invention Grant
US07793762B2 Destination entry passenger interface with multiple functions 失效
目的地入境乘客界面具有多种功能

Destination entry passenger interface with multiple functions
Abstract:
An elevator system (20) uses destination entry dispatching techniques. A passenger interface device (22) operates in a first mode to allow passengers (24) to enter destination requests for elevator service. The passenger interface (22) operates in a second mode to provide at least one additional feature to an authorized individual. The additional feature may be at least one of a service-related function, a security-related function, a monitoring-related function or a communication-related function.
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